- Mikkelsen, from whom nothing had been heard for three years.
- Mikkelsen, the leader, and I.
- These included his discovery that Peary Channel does not exist and Mikkelsen therefore had to abandon his plan of returning via the W.
- Mikkelsen, and S.
- Mikkelsen, " Report on the Alabama Expedition, 1909-1912 "; in vol.
- Mikkelsen, Lost in the Arctic (1913).